EP0573743A3 - Process for electrolytic decontaminating or regenerating a cyanide containing aqueous solution and apparatus for performing this process. - Google Patents

Process for electrolytic decontaminating or regenerating a cyanide containing aqueous solution and apparatus for performing this process. Download PDF

Info

Publication number
EP0573743A3
EP0573743A3 EP93104209A EP93104209A EP0573743A3 EP 0573743 A3 EP0573743 A3 EP 0573743A3 EP 93104209 A EP93104209 A EP 93104209A EP 93104209 A EP93104209 A EP 93104209A EP 0573743 A3 EP0573743 A3 EP 0573743A3
Authority
EP
European Patent Office
Prior art keywords
regenerating
aqueous solution
containing aqueous
cyanide containing
electrolytic decontaminating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP93104209A
Other languages
German (de)
French (fr)
Other versions
EP0573743A2 (en
Inventor
Olaf Jakobs
Ulrich Dr Stroeder
Lothar Schneider
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De Nora Deutschland GmbH
Original Assignee
Heraeus Elektrochemie GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heraeus Elektrochemie GmbH filed Critical Heraeus Elektrochemie GmbH
Publication of EP0573743A2 publication Critical patent/EP0573743A2/en
Publication of EP0573743A3 publication Critical patent/EP0573743A3/en
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/16—Regeneration of process solutions
    • C25D21/20—Regeneration of process solutions of rinse-solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
EP93104209A 1992-06-10 1993-03-16 Process for electrolytic decontaminating or regenerating a cyanide containing aqueous solution and apparatus for performing this process. Withdrawn EP0573743A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924218916 DE4218916C2 (en) 1992-06-10 1992-06-10 Use of a grid anode for electrolytic detoxification or regeneration of an aqueous solution containing cyanide
DE4218916 1992-06-10

Publications (2)

Publication Number Publication Date
EP0573743A2 EP0573743A2 (en) 1993-12-15
EP0573743A3 true EP0573743A3 (en) 1995-05-17

Family

ID=6460670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93104209A Withdrawn EP0573743A3 (en) 1992-06-10 1993-03-16 Process for electrolytic decontaminating or regenerating a cyanide containing aqueous solution and apparatus for performing this process.

Country Status (4)

Country Link
EP (1) EP0573743A3 (en)
JP (1) JPH06101081A (en)
CA (1) CA2097869A1 (en)
DE (1) DE4218916C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004023161A1 (en) * 2004-05-07 2005-11-24 Eilenburger Elektrolyse- Und Umwelttechnik Gmbh Electrolysis cell with multilayer expanded metal cathodes
CN116212941A (en) * 2022-12-08 2023-06-06 湖南大学 Preparation method and application of catalyst

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296597A1 (en) * 1975-01-03 1976-07-30 Electricity Council APPARATUS AND METHOD FOR TREATING DILUTED METAL CYANIDE SOLUTIONS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758770A (en) * 1969-11-28 1971-04-16 Loftfield Richard E Dimensionally stable anode
DE2251442C3 (en) * 1972-10-20 1980-01-10 Gewerkschaft Keramchemie, 5433 Siershahn Process for the electrolytic detoxification of cyanide
JPS53140235A (en) * 1977-03-02 1978-12-07 Okubo Katsuhiro Continuous circulation system electrolytic treatment method of silver plating wash water and its device
DE2836720C2 (en) * 1978-08-22 1986-06-26 Okubo, Katsuhiro, Tokio/Tokyo Process for the continuous electrolytic regeneration of a washing solution containing silver cyanide which occurs during electroplating processes and a device for carrying out the process

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296597A1 (en) * 1975-01-03 1976-07-30 Electricity Council APPARATUS AND METHOD FOR TREATING DILUTED METAL CYANIDE SOLUTIONS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 90, no. 26, 25 June 1979, Columbus, Ohio, US; abstract no. 212309r, UENO: "electrolytic regeneration of washing water from silver electroplating process" page 553; *

Also Published As

Publication number Publication date
JPH06101081A (en) 1994-04-12
EP0573743A2 (en) 1993-12-15
CA2097869A1 (en) 1993-12-11
DE4218916C2 (en) 1996-03-21
DE4218916A1 (en) 1993-12-16

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